非热大气等离子处理对定制陶柱和芯的粘合性能的影响
Guanghong Zhong1,2, Shuhan Xu1,2, Chengcheng Yu3
1Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
概括
非热大气等离子体 (NTAP) 处理显著增强了陶后芯与牙的结合. 这种创新方法提高了结合强度,降低了修复失败的风险,确保了长期的牙稳定性.
科学领域:
- 生物材料科学 生物材料科学
- 牙科材料科学 牙科材料科学
- 表面科学是一门学科.
背景情况:
- 陶后芯提供了美学优势,但由于表面惰性,可能会遭受牙结构的粘合不良.
- 数字制造方法 (全数字和半数字) 越来越多地用于定制的牙科修复.
- 非热大气等离子体 (NTAP) 是一种新的表面处理技术,有可能增强材料粘合.
研究的目的:
- 为了研究非热大气等离子体 (NTAP) 对使用数字方法制造的陶后核的粘合强度的影响.
- 为了比较陶后芯的全数字与半数字制造技术的精度.
- 评估NTAP对陶后核在根通道内的粘合耐久性的影响.
主要方法:
- 陶样品经过各种配置的NTAP处理,并与树脂水泥结合.
- 剪接强度 (SBS) 和抗拉强度 (TBS) 测试进行,以评估结合性能.
- 进行了接触角度,FTIR-ATR,线性差异分析和推出键强度 (PBS) 测试,以评估表面特性和键完整性.
主要成果:
- 对于大多数陶样品,尤其是,NTAP处理显著改善了即时TBS和SBS.
- 与全数字方法相比,半数字制造表现出更高的精度,根的顶端三分之一的线性差异较小.
- 无论制造方法如何,NTAP 增强的 PBS 适用于即时和老化的石后核,不论制造方法如何.
结论:
- NTAP处理有效地提高了陶的湿透性和树脂聚合,从而改善了陶后芯的表面粘合.
- 半数字制造在顶根区域提供了更高的精度,用于定制的陶柱和核心.
- 适当的NTAP应用,特别是在陶和水泥表面上,可以显著提高陶后核在根通道中的粘合性能和长期稳定性.
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